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Unformatted text preview: index is 1.25. What is the seasonally adjusted sales forecast for May? a) 640 units b) 798.75 units c) 800 units d) 1,000 units (800*1.25) e) cannot be calculated with the information given LO6.The main difference between simple and multiple regression is _______. simple regression has only one independent variable Multiple regression allows us to build a model with several independent variables instead of just one variable. LO7.The tracking signal is the: a) standard error of the estimate. b) cumulative error. c) mean absolute deviation (MAD). d) ratio of the cumulative error to MAD. e) mean absolute percent error (MAPE). Answers: LO1. d; LO2. e; LO3. exponential smoothing is a weighted movingaverage model in which all prior values are weighted with a set of exponentially declining weights; LO4. d; LO5. d ; LO6. simple regression has only one independent variable ; LO7. d....
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 Spring '11
 johnson
 Linear Regression, Regression Analysis, Errors and residuals in statistics, Apple Store, Absolute deviation

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